Pallet frame



FIG. 1 is a a top plan view of my design;

FIG. 2 is a view of the longer side of the pallet frame, the parallel side is identical;

FIG. 3 is a perspective view of a pallet frame showing my new design; and,

FIG. 4 is a view of the shorter side of the pallet frame, the parallel side is identical. 

The ornamental design for a pallet frame, as shown and described. 